was deemed by the fbi trying to go to the cuban and soviet embassies in mexico city and some of the other associations. johnson's first reaction is where there's smoke there's fire and this is on these johnson takes he was very worried if americans knew all of this they would be so furious they would demand the united states attack cuba militarily and maybe even attack the soviet union. a case in which 15 to twenty million americans and others might die. so he called in the chief justice who didn't want to do it, warren said no. he said people suspect there's a conspiracy. you had better handle this so people can be relieved of the worry that this was with international motive. i love a lot about johnson but that does not suggest that he was appointed the commission hoping that it would just follow the truth wherever it led. >> host: imagine asking the chief justice today to lead such a commission. >> guest: i think not. for all sorts of reasons. one of them is there is a much larger wall between what happens on the court of presidents and johnson had a lot to do with that. 1965 he put on